From 2c3eb205ab35239dcd23e041dafd21bb5800cc9b Mon Sep 17 00:00:00 2001
From: Aurimas Vinckevicius <aurimas.dev@gmail.com>
Date: Sun, 14 Dec 2014 23:07:37 -0600
Subject: [PATCH] Implement read/unread functionality in feeds

---
 .../zotero/xpcom/collectionTreeView.js        | 18 +++-
 chrome/content/zotero/xpcom/data/feed.js      | 29 +++++--
 chrome/content/zotero/xpcom/data/feedItem.js  | 45 ++++++++++
 chrome/content/zotero/xpcom/data/feedItems.js | 13 +++
 chrome/content/zotero/xpcom/data/feeds.js     | 25 +++++-
 chrome/content/zotero/xpcom/data/item.js      |  3 +
 chrome/content/zotero/xpcom/itemTreeView.js   | 72 +++++-----------
 chrome/content/zotero/xpcom/notifier.js       |  5 +-
 chrome/content/zotero/zoteroPane.js           | 86 +++++++++++--------
 chrome/skin/default/zotero/overlay.css        |  6 ++
 10 files changed, 204 insertions(+), 98 deletions(-)

diff --git a/chrome/content/zotero/xpcom/collectionTreeView.js b/chrome/content/zotero/xpcom/collectionTreeView.js
index 0a3df01cf..8ab70b8aa 100644
--- a/chrome/content/zotero/xpcom/collectionTreeView.js
+++ b/chrome/content/zotero/xpcom/collectionTreeView.js
@@ -50,6 +50,7 @@ Zotero.CollectionTreeView = function()
 			'publications',
 			'share',
 			'group',
+			'feedItem',
 			'trash',
 			'bucket'
 		],
@@ -225,10 +226,10 @@ Zotero.CollectionTreeView.prototype.refresh = Zotero.Promise.coroutine(function*
 			}, 0),
 			added++
 		);
-		for (let i = 0, len = groups.length; i < len; i++) {
+		for (let feed of feeds) {
 			this._addRowToArray(
 				newRows,
-				new Zotero.CollectionTreeRow('feed', feeds[i]),
+				new Zotero.CollectionTreeRow('feed', feed),
 				added++
 			);
 		}
@@ -251,10 +252,10 @@ Zotero.CollectionTreeView.prototype.refresh = Zotero.Promise.coroutine(function*
 			}, 0),
 			added++
 		);
-		for (let i = 0, len = groups.length; i < len; i++) {
+		for (let group of groups) {
 			this._addRowToArray(
 				newRows,
-				new Zotero.CollectionTreeRow('group', groups[i]),
+				new Zotero.CollectionTreeRow('group', group),
 				added++
 			);
 		}
@@ -314,6 +315,13 @@ Zotero.CollectionTreeView.prototype.selectWait = Zotero.Promise.method(function
  *  Called by Zotero.Notifier on any changes to collections in the data layer
  */
 Zotero.CollectionTreeView.prototype.notify = Zotero.Promise.coroutine(function* (action, type, ids, extraData) {
+	if (type == 'feed' && action == 'unreadCountUpdated') {
+		for (let i=0; i<ids.length; i++) {
+			this._treebox.invalidateRow(this._rowMap['L' + ids[i]]);
+		}
+		return;
+	}
+	
 	if ((!ids || ids.length == 0) && action != 'refresh' && action != 'redraw') {
 		return;
 	}
@@ -2143,6 +2151,8 @@ Zotero.CollectionTreeView.prototype.getCellProperties = function(row, col, prop)
 	}
 	else if (treeRow.isPublications()) {
 		props.push("notwisty");
+	} else if (treeRow.ref && treeRow.ref.unreadCount) {
+		props.push('unread');
 	}
 	
 	return props.join(" ");
diff --git a/chrome/content/zotero/xpcom/data/feed.js b/chrome/content/zotero/xpcom/data/feed.js
index 41633c15f..de72b3622 100644
--- a/chrome/content/zotero/xpcom/data/feed.js
+++ b/chrome/content/zotero/xpcom/data/feed.js
@@ -178,6 +178,7 @@ Zotero.Feed.prototype._set = function (prop, val) {
 Zotero.Feed.prototype._loadDataFromRow = function(row) {
 	Zotero.Feed._super.prototype._loadDataFromRow.call(this, row);
 	
+	this._feedName = row._feedName;
 	this._feedUrl = row._feedUrl;
 	this._feedLastCheckError = row._feedLastCheckError || null;
 	this._feedLastCheck = row._feedLastCheck || null;
@@ -274,8 +275,8 @@ Zotero.Feed.prototype._finalizeErase = Zotero.Promise.method(function(env) {
 
 Zotero.Feed.prototype.getExpiredFeedItemIDs = Zotero.Promise.coroutine(function* () {
 	let sql = "SELECT itemID AS id FROM feedItems "
-		+ "WHERE readTimestamp IS NOT NULL "
-		+ "AND (julianday(readTimestamp, 'utc') + (?) - julianday('now', 'utc')) > 0";
+		+ "WHERE readTime IS NOT NULL "
+		+ "AND (julianday(readTime, 'utc') + (?) - julianday('now', 'utc')) > 0";
 	let expiredIDs = yield Zotero.DB.queryAsync(sql, [{int: this.cleanupAfter}]);
 	return expiredIDs.map(row => row.id);
 });
@@ -289,7 +290,7 @@ Zotero.Feed.prototype._updateFeed = Zotero.Promise.coroutine(function* () {
 			Zotero.debug("Cleaning up read feed items...");
 			if (expiredItems.length) {
 				Zotero.debug(expiredItems.join(', '));
-				yield Zotero.FeedItems.erase(expiredItems);
+				yield Zotero.FeedItems.eraseTx(expiredItems);
 			} else {
 				Zotero.debug("No expired feed items");
 			}
@@ -301,7 +302,7 @@ Zotero.Feed.prototype._updateFeed = Zotero.Promise.coroutine(function* () {
 	
 	try {
 		let fr = new Zotero.FeedReader(this.url);
-		let itemIterator = fr.createItemIterator();
+		let itemIterator = fr.itemIterator;
 		let item, toAdd = [], processedGUIDs = [];
 		while (item = yield itemIterator.next().value) {
 			if (item.dateModified && this.lastUpdate
@@ -320,14 +321,14 @@ Zotero.Feed.prototype._updateFeed = Zotero.Promise.coroutine(function* () {
 			}
 			processedGUIDs.push(item.guid);
 			
-			Zotero.debug("New feed item retrieved:");
-			Zotero.debug(item);
+			Zotero.debug("New feed item retrieved:", 5);
+			Zotero.debug(item, 5);
 			
 			let feedItem = yield Zotero.FeedItems.getAsyncByGUID(item.guid);
 			if (!feedItem) {
 				feedItem = new Zotero.FeedItem();
 				feedItem.guid = item.guid;
-				feedItem.setCollections([this.id]);
+				feedItem.libraryID = this.id;
 			} else {
 				Zotero.debug("Feed item " + item.guid + " already in library.");
 				if (item.dateModified && feedItem.dateModified
@@ -364,7 +365,7 @@ Zotero.Feed.prototype._updateFeed = Zotero.Promise.coroutine(function* () {
 	
 	this.lastCheck = Zotero.Date.dateToSQL(new Date(), true);
 	this.lastCheckError = errorMessage || null;
-	yield this.save({skipEditCheck: true});
+	yield this.saveTx({skipEditCheck: true});
 });
 
 Zotero.Feed.prototype.updateFeed = function() {
@@ -380,3 +381,15 @@ Zotero.Feed.prototype.erase = Zotero.Promise.coroutine(function* () {
 	yield Zotero.FeedItems.erase(childItemIDs);
 	return Zotero.Feed._super.prototype.erase.call(this); // Don't tell it to delete child items. They're already gone
 })
+
+Zotero.Feed.prototype.updateUnreadCount = Zotero.Promise.coroutine(function* () {
+	let sql = "SELECT " + this._ObjectsClass._primaryDataSQLParts.feedUnreadCount
+		+ this._ObjectsClass.primaryDataSQLFrom
+		+ " AND O.libraryID=?";
+	let newCount = yield Zotero.DB.valueQueryAsync(sql, [this.id]);
+	
+	if (newCount != this._feedUnreadCount) {
+		this._feedUnreadCount = newCount;
+		Zotero.Notifier.trigger('unreadCountUpdated', 'feed', this.id);
+	}
+});
diff --git a/chrome/content/zotero/xpcom/data/feedItem.js b/chrome/content/zotero/xpcom/data/feedItem.js
index 08d66bd72..f50de3260 100644
--- a/chrome/content/zotero/xpcom/data/feedItem.js
+++ b/chrome/content/zotero/xpcom/data/feedItem.js
@@ -132,6 +132,51 @@ Zotero.FeedItem.prototype._saveData = Zotero.Promise.coroutine(function* (env) {
 		yield Zotero.DB.queryAsync(sql, [env.id, this.guid, this._feedItemReadTime]);
 		
 		this._clearChanged('feedItemData');
+		
+/*	let itemID;
+	if (env.isNew) {
+		// For new items, run this first so we get an item ID
+		yield Zotero.FeedItem._super.prototype._saveData.apply(this, arguments);
+		itemID = env.id;
+	} else {
+		itemID = this.id;
+	}
+	
+	}
+	
+	if (!env.isNew) {
+		if (this.hasChanged()) {
+			yield Zotero.FeedItem._super.prototype._saveData.apply(this, arguments);
+		} else {
+			env.skipPrimaryDataReload = true;
+		}
+		Zotero.Notifier.trigger('modify', 'feedItem', itemID);
+	} else {
+		Zotero.Notifier.trigger('add', 'feedItem', itemID);
+	}
+	
+	if (env.collectionsAdded || env.collectionsRemoved) {
+		let affectedCollections = (env.collectionsAdded || [])
+			.concat(env.collectionsRemoved || []);
+		if (affectedCollections.length) {
+			let feeds = yield Zotero.Feeds.getAsync(affectedCollections);
+			for (let i=0; i<feeds.length; i++) {
+				feeds[i].updateUnreadCount();
+			}
+		}*/
+	}
+});
+
+Zotero.FeedItem.prototype.toggleRead = Zotero.Promise.coroutine(function* (state) {
+	state = state !== undefined ? !!state : !this.isRead;
+	let changed = this.isRead != state;
+	this.isRead = state;
+	if (changed) {
+		yield this.save({skipEditCheck: true, skipDateModifiedUpdate: true});
+		
+		yield this.loadCollections();
+		let feed = Zotero.Feeds.get(this.libraryID);
+		feed.updateUnreadCount();
 	}
 });
 
diff --git a/chrome/content/zotero/xpcom/data/feedItems.js b/chrome/content/zotero/xpcom/data/feedItems.js
index e3cc31522..a26efc8db 100644
--- a/chrome/content/zotero/xpcom/data/feedItems.js
+++ b/chrome/content/zotero/xpcom/data/feedItems.js
@@ -94,6 +94,19 @@ Zotero.FeedItems = new Proxy(function() {
 		return this.getAsync(id);
 	});
 	
+	this.toggleReadById = Zotero.Promise.coroutine(function* (ids, state) {
+		if (!Array.isArray(ids)) {
+			if (typeof ids != 'string') throw new Error('ids must be a string or array in Zotero.FeedItems.toggleReadById');
+			
+			ids = [ids];
+		}
+		
+		let items = yield this.getAsync(ids);
+		for (let i=0; i<items.length; i++) {
+			items[i].toggleRead(state);
+		}
+	});
+	
 	return this;
 }.call({}),
 
diff --git a/chrome/content/zotero/xpcom/data/feeds.js b/chrome/content/zotero/xpcom/data/feeds.js
index 94309b9d4..76044add0 100644
--- a/chrome/content/zotero/xpcom/data/feeds.js
+++ b/chrome/content/zotero/xpcom/data/feeds.js
@@ -23,7 +23,7 @@
     ***** END LICENSE BLOCK *****
 */
 
-// Add some feed methods, but otherwise proxy to Zotero.Collections
+// Mimics Zotero.Libraries
 Zotero.Feeds = new function() {
 	this._cache = null;
 	
@@ -105,12 +105,15 @@ Zotero.Feeds = new function() {
 			.map(id => Zotero.Libraries.get(id));
 	}
 	
+	this.get = Zotero.Libraries.get;
+	
 	this.haveFeeds = function() {
 		if (!this._cache) throw new Error("Zotero.Feeds cache is not initialized");
 		
 		return !!Object.keys(this._cache.urlByLibraryID).length
 	}
 
+	let globalFeedCheckDelay = Zotero.Promise.resolve();
 	this.scheduleNextFeedCheck = Zotero.Promise.coroutine(function* () {
 		Zotero.debug("Scheduling next feed update.");
 		let sql = "SELECT ( CASE "
@@ -146,4 +149,24 @@ Zotero.Feeds = new function() {
 			Zotero.debug("No feeds with auto-update.");
 		}
 	});
+	
+	this.updateFeeds = Zotero.Promise.coroutine(function* () {
+		let sql = "SELECT libraryID AS id FROM feeds "
+			+ "WHERE refreshInterval IS NOT NULL "
+			+ "AND ( lastCheck IS NULL "
+				+ "OR (julianday(lastCheck, 'utc') + (refreshInterval/1440) - julianday('now', 'utc')) <= 0 )";
+		let needUpdate = yield Zotero.DB.queryAsync(sql).map(row => row.id);
+		Zotero.debug("Running update for feeds: " + needUpdate.join(', '));
+		let feeds = Zotero.Libraries.get(needUpdate);
+		let updatePromises = [];
+		for (let i=0; i<feeds.length; i++) {
+			updatePromises.push(feeds[i]._updateFeed());
+		}
+		
+		return Zotero.Promise.settle(updatePromises)
+		.then(() => {
+			Zotero.debug("All feed updates done.");
+			this.scheduleNextFeedCheck()
+		});
+	});
 }
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 81d8c3e1c..341f290b0 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -1660,6 +1660,9 @@ Zotero.Item.prototype._saveData = Zotero.Promise.coroutine(function* (env) {
 		
 		let toAdd = Zotero.Utilities.arrayDiff(newCollections, oldCollections);
 		let toRemove = Zotero.Utilities.arrayDiff(oldCollections, newCollections);
+
+		env.collectionsAdded = toAdd;
+		env.collectionsRemoved = toRemove;
 		
 		if (toAdd.length) {
 			for (let i=0; i<toAdd.length; i++) {
diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index 5b9d3e969..960510c31 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -53,9 +53,9 @@ Zotero.ItemTreeView = function (collectionTreeRow, sourcesOnly) {
 	
 	this._refreshPromise = Zotero.Promise.resolve();
 	
-	this._unregisterID = Zotero.Notifier.registerObserver(
+	this._unregisterID = Zotero.Notifier.registerObserver( 
 		this,
-		['item', 'collection-item', 'item-tag', 'share-items', 'bucket'],
+		['item', 'collection-item', 'item-tag', 'share-items', 'bucket', 'feedItem'],
 		'itemTreeView',
 		50
 	);
@@ -391,6 +391,14 @@ Zotero.ItemTreeView.prototype.notify = Zotero.Promise.coroutine(function* (actio
 		return;
 	}
 	
+	// FeedItem may have changed read/unread state
+	if (type == 'feedItem' && action == 'modify') {
+		for (let i=0; i<ids.length; i++) {
+			this._treebox.invalidateRow(this._itemRowMap[ids[i]]);
+		}
+		return;
+	}
+	
 	// Clear item type icon and tag colors when a tag is added to or removed from an item
 	if (type == 'item-tag') {
 		// TODO: Only update if colored tag changed?
@@ -526,12 +534,9 @@ Zotero.ItemTreeView.prototype.notify = Zotero.Promise.coroutine(function* (actio
 			// Since a remove involves shifting of rows, we have to do it in order,
 			// so sort the ids by row
 			var rows = [];
+			let push = action == 'delete' || action == 'trash';
 			for (var i=0, len=ids.length; i<len; i++) {
-				let push = false;
-				if (action == 'delete' || action == 'trash') {
-					push = true;
-				}
-				else {
+				if (!push) {
 					push = !collectionTreeRow.ref.hasItem(ids[i]);
 				}
 				// Row might already be gone (e.g. if this is a child and
@@ -567,7 +572,7 @@ Zotero.ItemTreeView.prototype.notify = Zotero.Promise.coroutine(function* (actio
 			}
 		}
 	}
-	else if (action == 'modify')
+	else if (type == 'item' && action == 'modify')
 	{
 		// Clear row caches
 		var items = yield Zotero.Items.getAsync(ids);
@@ -685,7 +690,7 @@ Zotero.ItemTreeView.prototype.notify = Zotero.Promise.coroutine(function* (actio
 			}
 		}
 	}
-	else if(action == 'add')
+	else if(type == 'item' && action == 'add')
 	{
 		let items = yield Zotero.Items.getAsync(ids);
 		
@@ -3054,56 +3059,25 @@ Zotero.ItemTreeView.prototype.getCellProperties = function(row, col, prop) {
 	
 	// Mark items not matching search as context rows, displayed in gray
 	if (this._searchMode && !this._searchItemIDs[itemID]) {
-		// <=Fx21
-		if (prop) {
-			var aServ = Components.classes["@mozilla.org/atom-service;1"].
-				getService(Components.interfaces.nsIAtomService);
-			prop.AppendElement(aServ.getAtom("contextRow"));
-		}
-		// Fx22+
-		else {
-			props.push("contextRow");
-		}
+		props.push("contextRow");
 	}
 	
 	// Mark hasAttachment column, which needs special image handling
 	if (col.id == 'zotero-items-column-hasAttachment') {
-		// <=Fx21
-		if (prop) {
-			var aServ = Components.classes["@mozilla.org/atom-service;1"].
-					getService(Components.interfaces.nsIAtomService);
-			prop.AppendElement(aServ.getAtom("hasAttachment"));
-		}
-		// Fx22+
-		else {
-			props.push("hasAttachment");
-		}
+		props.push("hasAttachment");
 		
 		// Don't show pie for open parent items, since we show it for the
 		// child item
-		if (this.isContainer(row) && this.isContainerOpen(row)) {
-			return props.join(" ");
-		}
-		
-		var num = Zotero.Sync.Storage.getItemDownloadImageNumber(treeRow.ref);
-		//var num = Math.round(new Date().getTime() % 10000 / 10000 * 64);
-		if (num !== false) {
-			// <=Fx21
-			if (prop) {
-				if (!aServ) {
-					var aServ = Components.classes["@mozilla.org/atom-service;1"].
-							getService(Components.interfaces.nsIAtomService);
-				}
-				prop.AppendElement(aServ.getAtom("pie"));
-				prop.AppendElement(aServ.getAtom("pie" + num));
-			}
-			// Fx22+
-			else {
-				props.push("pie", "pie" + num);
-			}
+		if (!this.isContainer(row) || !this.isContainerOpen(row)) {
+			var num = Zotero.Sync.Storage.getItemDownloadImageNumber(treeRow.ref);
+			//var num = Math.round(new Date().getTime() % 10000 / 10000 * 64);
+			if (num !== false) props.push("pie", "pie" + num);
 		}
 	}
 	
+	// Style unread items in feeds
+	if (treeRow.ref.isFeedItem && !treeRow.ref.isRead) props.push('unread');
+	
 	return props.join(" ");
 }
 
diff --git a/chrome/content/zotero/xpcom/notifier.js b/chrome/content/zotero/xpcom/notifier.js
index 82dc72de6..1291ce9f8 100644
--- a/chrome/content/zotero/xpcom/notifier.js
+++ b/chrome/content/zotero/xpcom/notifier.js
@@ -95,8 +95,9 @@ Zotero.Notifier = new function(){
 	* Possible values:
 	*
 	* 	event: 'add', 'modify', 'delete', 'move' ('c', for changing parent),
-	*		'remove' (ci, it), 'refresh', 'redraw', 'trash'
-	* 	type - 'collection', 'search', 'item', 'collection-item', 'item-tag', 'tag', 'group', 'relation'
+	*		'remove' (ci, it), 'refresh', 'redraw', 'trash', 'unreadCountUpdated'
+	* 	type - 'collection', 'search', 'item', 'collection-item', 'item-tag', 'tag',
+	*		'group', 'relation', 'feed', 'feedItem'
 	* 	ids - single id or array of ids
 	*
 	* Notes:
diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index a2c29b67e..1668b3328 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -501,9 +501,9 @@ var ZoteroPane = new function()
 		}
 	}
 	
-	
-	function handleKeyUp(event, from) {
-		if (from == 'zotero-pane') {
+	function handleKeyUp(event) {
+		var from = event.originalTarget.id;
+		if (from == 'zotero-items-tree') {
 			if ((Zotero.isWin && event.keyCode == 17) ||
 					(!Zotero.isWin && event.keyCode == 18)) {
 				if (this.highlightTimer) {
@@ -511,6 +511,33 @@ var ZoteroPane = new function()
 					this.highlightTimer = null;
 				}
 				ZoteroPane_Local.collectionsView.setHighlightedRows();
+				return;
+			} else if (event.keyCode == event.DOM_VK_BACK_QUOTE) {
+				// Toggle read/unread
+				let row = this.collectionsView.getRow(this.collectionsView.selection.currentIndex);
+				if (!row || !row.isFeed()) return;
+				if(itemReadTimeout) {
+					itemReadTimeout.cancel();
+					itemReadTimeout = null;
+				}
+				
+				let itemIDs = this.getSelectedItems(true);
+				Zotero.FeedItems.getAsync(itemIDs)
+				.then(function(feedItems) {
+					// Determine what most items are set to;
+					let allUnread = true;
+					for (let item of feedItems) {
+						if (item.isRead) {
+							allUnread = false;
+							break;
+						}
+					}
+					
+					// If something is unread, toggle all read by default
+					for (let i=0; i<feedItems.length; i++) {
+						feedItems[i].toggleRead(!allUnread);
+					}
+				});
 			}
 		}
 	}
@@ -594,21 +621,6 @@ var ZoteroPane = new function()
 				//event.preventDefault();
 				//event.stopPropagation();
 				return;
-			} else if (event.keyCode == event.DOM_VK_BACK_QUOTE) {
-				// Toggle read/unread
-				if (!this.collectionsView.selection.currentIndex) return;
-				let row = this.collectionsView.getRow(this.collectionsView.selection.currentIndex);
-				if (!row || !row.isFeed()) return;
-				
-				if(itemReadTimeout) {
-					itemReadTimeout.cancel();
-					itemReadTimeout = null;
-				}
-				
-				let itemIDs = this.getSelectedItems(true);
-				for (var i=0; i<itemIDs; i++) {
-					this.markItemRead(itemIDs[i]);
-				}
 			}
 		}
 		
@@ -1377,15 +1389,11 @@ var ZoteroPane = new function()
 						tabs.selectedIndex = document.getElementById('zotero-view-item').selectedIndex;
 					}
 					
-					if (collectionTreeRow.isFeed()) {
-						// Fire timer for read item
-						let feedItem = yield Zotero.FeedItems.getAsync(item.id);
-						if (feedItem) {
-							this.startItemReadTimeout(feedItem.id);
+					if (item.isFeedItem) {
+						this.startItemReadTimeout(item.id);
 					}
 				}
 			}
-			}
 			// Zero or multiple items selected
 			else {
 				var count = this.itemsView.selection.count;
@@ -4290,14 +4298,6 @@ var ZoteroPane = new function()
 	});
 	
 	
-	this.markItemRead = Zotero.Promise.coroutine(function* (feedItemID, toggle) {
-		let feedItem = yield Zotero.FeedItems.getAsync(feedItemID);
-		if (!feedItem) return;
-		
-		feedItem.isRead = toggle !== undefined ? !!toggle : !feedItem.isRead;
-		yield feedItem.save({skipEditCheck: true, skipDateModifiedUpdate: true});
-	})
-	
 	let itemReadTimeout;
 	this.startItemReadTimeout = function(feedItemID) {
 		if (itemReadTimeout) {
@@ -4305,8 +4305,18 @@ var ZoteroPane = new function()
 			itemReadTimeout = null;
 		}
 		
-		itemReadTimeout = Zotero.Promise.delay(3000)
+		let feedItem;
+		itemReadTimeout = Zotero.FeedItems.getAsync(feedItemID)
 		.cancellable()
+		.then(function(newFeedItem) {
+			if (!newFeedItem) {
+				throw new Zotero.Promise.CancellationError('Not a FeedItem');
+			} else if(newFeedItem.isRead) {
+				throw new Zotero.Promise.CancellationError('FeedItem already read.');
+			}
+			feedItem = newFeedItem;
+		})
+		.delay(3000)
 		.then(() => {
 			itemReadTimeout = null;
 			// Check to make sure we're still on the same item
@@ -4315,7 +4325,15 @@ var ZoteroPane = new function()
 			let row = this.itemsView.getRow(this.itemsView.selection.currentIndex);
 			if (!row || !row.ref || !row.ref.id == feedItemID) return;
 			
-			return this.markItemRead(feedItemID, true);
+			return feedItem.toggleRead(true);
+		})
+		.catch(function(e) {
+			if (e instanceof Zotero.Promise.CancellationError) {
+				Zotero.debug(e.message);
+				return;
+			}
+			
+			Zotero.debug(e, 1);
 		});
 	}
 	
diff --git a/chrome/skin/default/zotero/overlay.css b/chrome/skin/default/zotero/overlay.css
index fd6dd68f6..8d335dab2 100644
--- a/chrome/skin/default/zotero/overlay.css
+++ b/chrome/skin/default/zotero/overlay.css
@@ -215,6 +215,12 @@
 	color: inherit;
 }
 
+/* Style unread items/collections in bold */
+#zotero-items-tree treechildren::-moz-tree-cell-text(unread),
+#zotero-collections-tree treechildren::-moz-tree-cell-text(unread) {
+	font-weight: bold;
+}
+
 #zotero-items-pane
 {
 	min-width: 290px;